CN1049129A - Box type penholder-pressing propelling pencil - Google Patents

Abstract

A kind of box type penholder-pressing propelling pencil, it has an outer tube, forms a pair of protrusion chuck in the bottom, and there is the interior pipe of pen core passage in central authorities, and interior pipe is pipe shape sleeve pipe nib bottom, and with the protection pen core, guiding is write, and pipe breaks away from outer tube in stopping.In it pipe rear portion be one can whole Sheng pen core and the box pipe of replacing, make to use up renew behind the pen core convenient especially, hand is not by lead contamination, sharpening apparatus is equipped with on Bi top in addition.Form by conical pipeline and metal or ceramic integrated V-knife sheet, use for the scraping pen core.

Description

Box type penholder-pressing propelling pencil

The present invention is the structure of relevant a kind of pressing propelling pencil, and particularly relevant a kind of simple structure is used exquisite box type penholder-pressing propelling pencil, and its utilization uses the lead box that should discard behind the lead for retractable pencil and replaces the shaft of a writing brush, thereby saves material, reduces cost.

Its structure of existing propelling pencil includes an outer tube, the interior pipe that can store pen core, and interior pipe lower end connects a claw-like structure and spring control valve, and it is subjected to the cover bundle of a beam ring with the grasping pen core, in the outer tube lower end screw thread is arranged in addition, with sealed nib.When interior pipe was pressed, interior pipe moved down, and beam ring is stopped by nib to throw off claw-like to construct, pawl is the grasping pen core no longer, when pipe was shunk back because of spring force in the user no longer pushes, pen core had moved down one section suitable length, and owing to the friction of the anti-skid ring in the nib is kept somewhere outside nib.Each part of this pencil is made more complicated respectively, also need machining screw, anti-skid ring and can allow pen core by fixing nib sleeve pipe that does not rock etc. again causes part many, and matching property is bad, also bring the cost height simultaneously, easily lose when nib is loosening, when pen core is managed in putting into nib, fracture easily owing to unsettled, when changing lead for retractable pencil, hand is easily polluted by lead poisoning.

For overcoming above-mentioned shortcoming, the present invention innovates a kind of box type penholder-pressing propelling pencil, its simple structure, and assembling is easy, and action is exquisite, and pen core is frangibility not, and hand is not also polluted by lead poisoning when changing lead for retractable pencil.

The present invention includes a tubulose outer tube, its lower edge forms strong elastic clamping body structure, and this clamp inwardly dwindles downwards with a radian, and in a pair of protrusion chuck of the inwardly outstanding formation of lowest end; Central authorities are provided with the interior pipe of pen core passage; be inserted in by the outer tube top; and remain in a spring between the shoulder of interior pipe and outer tube; pipe can be back and forth flexible in outer tube in making; interior pipe waist down is provided with an elongated slot; the a pair of protrusion chuck of above-mentioned outer tube snaps in the elongated slot; the groove side two outer wall symmetries of this elongated slot outwards expand into a pair of double wall with a tapering; it is contracted by a beam ring bundle that remains in clamp central authorities; interior pipe lower end is the sleeve pipe nib; pass for pen core; play the usefulness that protection pen core and guiding are write; interior pipe do not have pen core and spring and bearing band moving should in pipe when retreating; this sleeve pipe nib is stuck in the root edge that outer tube protrudes chuck; preventing that this sleeve pipe nib (promptly in pipe) from continuing to retreat comes off; in use; when interior pipe be pressed and in outer tube to moving a suitable distance down; at this moment spring pressurized; be subjected to the double wall of beam ring cramping can press from both sides that core moves thereupon when holding; being subjected to clamp to protrude chuck until beam ring stops and loosens pen core; when pushing the external force disappearance; interior Guan Yin is subjected to the power of recoil of spring and returns; at this moment pen core is kept somewhere original position because of being subjected to cannula tip and protrusion chuck folder holding friction; having only interior pipe racks to draw beam ring returns simultaneously; when beam ring was subjected to the outer tube shoulder check, the pipe clamp wall was inwardly till folder holds a pen core in beam ring urged once more.

Above-mentioned box type penholder propelling pencil, hold after pipe and the outer tube in it with pencil box and constitute box pipe (being the shaft of a writing brush) storage pen core, when the former pen core in this propelling pencil box pipe uses up, the preceding core box that uses up can be abandoned, changing a new lead box can use, needn't be with the hand filling pen core of taking, writing hygiene is convenient.The pipe top can be installed a sharpening apparatus in addition in above-mentioned in addition, it is to be provided with cone-shaped pipe on a pedestal, and be horizontally set with blade groove, one V-arrangement blade is flush-mounted in this blade groove, when the pen core with rust inserts in the taper pipe, can utilize its V-arrangement blade edge rib right angle that pen core is cut into suitable sharp degree.

It below is description of drawings of the present invention.

Fig. 1 is an exploded view of the present invention.

Fig. 2 is a combination section of the present invention.

Fig. 3 is a front end partial perspective cutaway view of the present invention.

Fig. 4 is a front end profile of the present invention, shows the shape and the position amount of beam ring.

Fig. 5 is the partial perspective view of clamp of the present invention.

Fig. 6 is the A-A profile of Fig. 2.

Fig. 7 is the partial view of pipe clamp wall base portion in the present invention.

Fig. 8 is a view under Fig. 7 B-B section.

Fig. 9 is a front end profile of the present invention.

Figure 10 is the right profile of Fig. 9.

Figure 11 is the action diagram of Figure 10, and the pipe quilt is by the situation that down pushes away in showing.

Figure 12 is Figure 10 action diagram again, after the demonstration beam ring is stopped by clamp, and the situation that interior pipe pushes away under continuing.

Figure 13 is another action diagram of Figure 10, manages the upwards situation of rise in showing.

Figure 14 is another action diagram of Figure 10, and pipe is subjected to the beam ring pushing inwardly to clamp the situation of pen core in showing.

The exploded view of Figure 15 one embodiment of the invention.

The combination section of Figure 16 embodiment of the invention.

Figure 17 is the sectional perspective view of further embodiment of this invention, shows strong clamp.

Figure 18 is a combination section, shows that outer tube utilizes hot melt to form the shoulder of depression.

Figure 19 is an exploded view.

Figure 20 is a combination section.

Figure 21 is an exploded view.

Figure 22 is local combination section.

Figure 23 is further embodiment of this invention, shows the structure of more simplifying, and the interior pipe top mouth of pipe is installed a sharpening apparatus constitutional diagram.

Pipe or box pipe top added the exploded view of a sharpening apparatus in addition in Figure 24 was shown in.

Figure 25 is the drawing in side sectional elevation of Figure 24 sharpening apparatus.

Figure 26 is for cutting the use schematic diagram of pen core with sharpening apparatus.

Figure 27 is another embodiment of sharpening apparatus.

Be described in further detail below in conjunction with accompanying drawing.

As shown in Figures 1 and 2, the present invention mainly comprises pipe (2) in the outer tube (1),, a branch of also (3), a spring (4) and a box pipe (5).

Outer tube (1) is a hollow body, in a hole (11) is arranged, one shoulder (12) is arranged at the bottom in hole, usefulness as support spring (4), the lower end of outer tube (1) is formed with 2 relative clamps (13) with its tube wall, its base portion broad, inwardly dwindle downwards with a radian then, and in the outstanding chuck (14) of the inwardly outstanding formation of lowest end, press from both sides the core (6) that holds a pen because its elastic energy constitutes suitable chucking power, the inner edge of this outstanding chuck (14) is an arcwall face, so that keep bigger contact-making surface with pen core (6), increase frictional resistance between it and the pen core (6), make the pen core (6) can landing.

The hole (11) of outer tube (1) holds pipe (2) in.Should interiorly manage the passage (21) that there is a guiding pen core (6) in (2) central authorities, nearly top periphery forms a bead (22) and is formed with shoulder (23), be equipped with spring (4) between the shoulder (12) of it and outer tube (1), it is enclosed within on the periphery below the shoulder (23) of interior pipe (2).When interior pipe (2) is pressed when moving down, spring (4) is compressed, and when discharging then, interior pipe (2) can borrow the elastic force of spring (4) to get back to original position.

Waist is provided with the elongated slot (24) of a lateral direction penetrating under the interior pipe (2), and the wall of its both sides is a pair of double wall (25) with tapering expansion outwards.This is with a beam ring (3) to double wall (25) upper end, and beam ring (2), is oppressed this elasticity double wall (25) is inwardly dwindled, with clamping pen core (6) when pushing downwards from double wall (25).Interior pipe (2) supplies the protection pen core, the usefulness that guiding is write and jam year pipe (2) can not break away from outer tube (1) under no pen core state in elongated slot (24) and double wall (25 lower ends, row sealing becoming a little pipe, forming sleeves again) point (26).

Be positioned in advance in the common space (15) that constitutes of a pair of clamp of outer tube (1) (13) as Fig. 1 before beam ring (3) assembling, be inserted under hole (11) introversion of pipe (2) by outer tube (1) in the pushing then, make inclined-plane arc double wall (25) by shoulder (12) and beam ring (3) and the outstanding chuck (14) of clamp (13) is stuck in the elongated slot (24) of interior pipe (2), as shown in Figure 3, promptly finished combination.The footpath be the downward toroidal of expansion within above-mentioned beam ring (3) inwall (31), with inclined-plane double wall (25) the outer rim form fit of interior pipe (2).

Other is provided with box type penholder (5), and this box pipe (5) is a kind of lead box of special system, it and interior pipe (2), the storage core box of latter half of this propelling pencil of formation of outer tube (1), this box pipe (5) but except that making the shaft of a writing brush the also commercially available lead box of double as.Its shape has the external diameter of inside and outside two pipes concurrently, big end sealing, little end opening, openend is joint portion (51), length cooperates with lead for retractable pencil length, box pipe (5) is added a cover the storage lead for retractable pencil and can be supplied the usefulness of sale at ordinary times, when using on the push type propelling pencil as box type penholder, lead for retractable pencil is used up as long as box pipe (2) is pulled out, and new box pipe (5) (being lead box) lid is removed joint portion (51) are inserted in interior the combination with interior pipe (2) of outer tube (1) get final product, easily simple, convenient and healthy, needn't touch lead for retractable pencil with hand, can exempt the danger of polluting lead poisoning, next utilizes lead box to replace the shaft of a writing brush, can dual-use material, promptly discarded because the general equal lead for retractable pencil of lead box uses up, moreover the mould manufacturing is shortened because of a height degree, can be easily manufactured, reduce cost.

Between above-mentioned box pipe (5) and the outer tube (1) in conjunction with can and being threaded or engaging mode with fit.

Use of the present invention can make the following instructions in conjunction with Fig. 2 and Fig. 9-14.

When box pipe (5) when being pressed, pipe (2) presses down in being about to, and is being with beam ring (3) and pen core (6) to move down simultaneously, is become the mobile status of Figure 11 by the inactive state of Figure 10, after interior pipe (2) moved a segment distance, beam ring (3) was subjected to outstanding stopping of chuck (14) and halts.The segment distance but interior pipe (2) still moves on.At this moment spring (4) by compression, and double wall (25) takes off pine with beam ring (3), double wall (25) opens as shown in figure 12 laterally, cramping pen core (6) no longer, subsequently when pressing force disappears, interior pipe (2) and box pipe (6) are upwards return as shown in figure 13 by the elastic force of spring (4), beam ring (3) is also return thereupon simultaneously, at this moment pen core (6) is subjected to the frictional resistance of the embedding folder of outstanding chuck (14) and nib (26) and slack, when interior pipe (2) is return a segment distance, beam ring (3) is subjected to outer tube (1) shoulder (2) again and stops no longer mobile, interior pipe (2) still continues to rise, therefore double wall (25) bundle once more that is subjected to beam ring (3) inwall (31) contracts and inside cramping pen core (6), state for this reason when writing.Pen core among the present invention (6) is embraced by three places folders, so frangibility not when obtaining good support and writing, one is that sleeve pipe nib (26) is located, moreover for protruding chuck (14), an other place is double wall (25).

Figure 15 and Figure 16 are another embodiment of the present invention, intactly inwardly outside curved the dwindling down of its outer tube (1a) lower end integral body, form a pair of outstanding chuck (14a) in the lower end inwall, and be provided with a counterincision groove (16) in other opposite side, obtain above-mentioned outstanding chuck (14a) and have folding elasticity, the assembling of convenient and interior pipe (2).Outer tube (1a) waist down was grazing originally, the outer tube (1a) of beam ring (3a) can being packed into from top to bottom, form depressed part (30) in this waist with the ultrasonic wave hot melt again, and make this place's inwall form an inside flange, for shoulder (12a) for spring (4a) high-volume and stop beam ring (3a), other structures of this embodiment are narrated identical with leading portion.

Figure 17,18 is further embodiment of this invention, and an outer tube is not only arranged in conjunction with box type penholder in addition in the upper end of pen, pipe in, and a beam ring is in the present various pressing propelling pencil, constructs more especially, simplifies, Figure 17 is a half reduced combination stereogram under Fig. 1.Show that outer tube (16) has a disconnected strong clamp (13b), the lower end is given prominence to chuck (14b) and is snapped in interior pipe (2b), in the elongated slot of following waist (24b), with interior pipe (2b) in the lead for retractable pencil of storing (6b) make the clamping CONTACT WITH FRICTION, enable to obtain to push automatic function, further simplify then and be melt into depressed part (30b) in outer tube (1b) appropriate location with ultrasonic heat as seen from Figure 18, inwardly form the shoulder (12b) that dwindles and retreat and place spring (4b) to stop beam ring (3h).

Figure 19,20 is another embodiment of the present invention, outer tube (1c) lower end forms a section less (17) of external diameter as seen from the figure, other is provided with a pen cap (7) and can be placed on this section (17), this pen cap (7) lower end has arc inner wall, can impose suitable pressure to the elongated clamp (13c) of outer tube (1c), promptly, do not have strong elasticity folder power, and the pen cap (7) can provide this clamp (13c) and outstanding chuck (14c) thereof that pen core (6c) is had suitable chucking power because of clamp (13c) is more elongated.

Figure 21,22 is yet another embodiment of the invention, present embodiment is that the clamp (13d) of outer tube (1d) lower end is made respectively with outstanding chuck (14d) and outer tube (1d) body, when pipe (2) in the dress on outer tube (1d) body and after putting beam ring (3) thereon, again this clamp (13d) is combined with outer tube body (1d), and make its outstanding chuck (14d) be stuck in the elongated slot (24) of interior pipe, therefore in the present embodiment, the flange shoulder (12a) that waist needn't be in depression with ultrasonic wave, and tube body (1d) the front end shoulder (12d) that dwindles formation replaces in addition.Can also further make protrusion chuck (14d) that better chucking power is arranged, promptly on shoulder (12d), screw thread is set, in clamp sleeve pipe (13d) upper end screw thread (10) is set equally simultaneously, so that outer tube (1d) lower end screw-threaded coupling, impose on suitably clamping force of clamp sleeve pipe (13d), and make outstanding chuck (14d) pleuroprosoposchisis groove (16d) produce the folding regulating action, and clamp lead for retractable pencil (6), keep suitable CONTACT WITH FRICTION with lead for retractable pencil (6).

Figure 23 to 26 is further embodiment of this invention; Be to install a sharpening apparatus (8) at interior pipe (2e) or box pipe (5) top, it is to be provided with taper pipe (82) on a pedestal (81), this pipe is up big and down small, be horizontally set with metal blade groove (83) at the mouth of pipe, go deep in this taper pipe (82), a V-arrangement blade (84) is flush-mounted in this blade groove (83).When pen core end (6) portion rust, this sharpening apparatus (8) taken off then from interior pipe (2e) or box pipe (5) top pen core (6) end is inserted in the conical pipeline (82) of sharpening apparatus (8), utilize the V-arrangement metal blade that pen core (6) end is whittled into suitable sharp degree, as shown in figure 26.

Figure 27 is sharpening apparatus (8), another embodiment, pedestal (81) has 2 taper pipes (82a) that communicate (82b), be that the taper pipe (82a) that blade groove (83) both sides respectively have a cut (82b) all can supply pen core (6) end to insert, and utilize sharp edges right angle, blade (84) edge (85) scraping lead for retractable pencil (6), again for simplifying sharpening apparatus (8) manufacturing, can comprise V-arrangement blade (84) interior one-body molded with ceramic clay, heating becomes hard ceramic V-arrangement porcelain cutter, and (84) are with its sharp edges right angle (85) scraping pen core (6).

Claims (8)

1, a kind of box type penholder-pressing propelling pencil, it is by outer tube (1), interior pipe (2), beam ring (3), spring (4), box type penholder (5) are formed, it is characterized in that: pipe (2) is placed wherein in the outer tube (1), outer tube (1) aperture, bottom dwindles into a shoulder (12), shoulder (12) lower edge forms a pair of elasticity and often presss from both sides the clamp of embracing (13) to the center mutually, and clamp (13) bottom inwall is inwardly given prominence to and formed outstanding chuck (14); Pipe (1) in one, its central authorities are provided with pen core (6) passage (21), periphery form flange (22) and shoulder (23) it with outer tube shoulder (12) between a placement spring (4), interior pipe (2) waist down is provided with an elongated slot (24), its two side expands outwardly into a pair of double wall (25), contracted by beam ring (3) bundle, it is cannula tip (26) that there is the little pipe of a sealing double wall (25) lower end, and it is write for stopping (2) landing of interior pipe and protection pen core (6) guiding; A beam ring (3) is the little pipe of pipe clamp wall (25) in contracting with its inwall bundle, often is positioned at the central authorities of outer tube clamp (13); Box type penholder (5) has the usefulness of the shaft of a writing brush and Pencil lead box concurrently, and can insert outer tube (1) and interior pipe (2) and join, and pipe (2) can need pen core (6) in the supply; Interior pipe (2) attitude from top to bottom is loaded in the outer tube (1), and pass the beam ring (3) of spring (1) and clamp (13) central authorities, contracted by beam ring (3) bundle, the outstanding chuck (14) of outer tube (1) is stuck in the elongated slot (24) of interior pipe (2) to central authorities' folder armful pen core (6) simultaneously, push box pipe (5), can promote interior pipe (2) downwards until beam ring (3) stopped by outstanding chuck (14) and with continue downward interior pipe clamp wall (25) and break away from, double wall (25) is cramping pen core (6) no longer, pipe (2) is subjected to spring (4) power return-to-home position in when pressing force disappears, pen core (6) is because of sleeve pipe nib (26), the folder of outstanding chuck (14) is embraced and is kept somewhere motionless, pipe (2) band beam ring (3) retreats only, stopped that interior pipe (2) still retreats until interior pipe clamp wall (25) and contracted by beam ring (3) bundle and clamp pen core (6) to beam ring (3) by outer tube (1) shoulder (12).

2, propelling pencil as claimed in claim 1, it is characterized in that: intactly inwardly downward curved the dwindling of outer tube (1a) lower end integral body, and form a pair of outstanding chuck (14a) in the bottom inwall, so opposite side is provided with a counterincision groove (16), waist is straight shape under the outer tube (1a) again, after beam ring (3d) is put into, forms depressed part with the ultrasonic wave hot melt, and make this place's inwall form inside flange becoming shoulder (12d), for laying spring (4a) and stopping beam ring (3d).

3, propelling pencil as claimed in claim 1, it is characterized in that: outer tube (1c) lower outer diameter reduces slightly, and the more tiny clamp (13c) of formation, and outstanding chuck (14c), other establishes a pen cap (7) and is placed in the section of reducing, the pen cap (7) has arc inner wall, can impose clamping force to the clamp (13c) of outer tube (1), provides clamp (13c) and outstanding chuck (14c) that pen core (6) is had suitable chucking power.

4, propelling pencil as claimed in claim 1, it is characterized in that: outer tube (1d) lower end forms external diameter segment slightly, form shoulder (12d), and outstanding chuck (14d) opposite side of clamp (13d) has a counterincision groove (16d) all to be arranged on another pen cap bottom, this pen cap is inserted in above-mentioned external diameter segment slightly.

5, propelling pencil as claimed in claim 4 is characterized in that: the section of dwindling of outer tube (1d) lower end forms shoulder (12d), and screw thread is set thereon, also is provided with screw thread (10) on another pen cap top equally.

6, propelling pencil as claimed in claim 1 is characterized in that: its inner and outer pipes prolongs respectively, does not have a box type penholder, and does not still influence the holding function of this propelling pencil, is the structure of simplifying most for propelling pencil.

7, propelling pencil as claimed in claim 1, it is characterized in that: a sharpening apparatus (8) is installed on pipe (2e) or box pipe (5) top in it, this sharpening apparatus (8) is to be provided with taper pipe (82) and to be horizontally set with blade groove (83) on a pedestal (81), one V-arrangement blade (84) is embedded in the blade groove (83), when pen core (6) becomes pure, pen core is inserted the pipe (82) of sharpening apparatus (8), and V-arrangement blade (84) edge sharp right is that appropriateness is available with scraping pen core (6).

8, propelling pencil as claimed in claim 7 is characterized in that: V-arrangement blade (84) useful ceramics soil one-body molded (comprising blade) is housed in the sharpening apparatus (8), and heating becomes the porcelain cutter.

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